Saturday, 8 October 2011

ELECTRIC MOTOR


 CURRICULAR OBJECTIVE  : BY DOIING EXPERIMENTS AND GROUP                              DISCUSSION PUPIL UNDRSTANDS THE PRINCIPLE OF ELECTRIC MOTOR AND                  ITS USE IN DAILY USE
            PRE REQUISITE

                  1)THE LAW DEVOLEPED BY CHRISIAN EORSTED.

                  2) SOLINOID   POLE----DIERCTION OF CURRENT
              ACTIVITY
FIX PERPENDICULAR TO THE PLANE  label three pieces with respect to FLAMINGS LEFT hand rule


         


                        
               ACTIVITY----WORK SHEET

            LOOK AT THE FIGURE CAREFULLY AND ANSWER THE  QUESTIONS                          



                   

                  a)Name the device shown in figure
                     (b) When switch is put ON, armature coil side CD is rotating in which direction?
                          (north/west/south/east)
                     (c)State the law used to find the rotation?                                                                                              
               ACTIVITY-3  WORKSHEET
Complete the table by using the name of instruments in the box as per its working principle                              [AC generator, Electric motor, moving coil microphone, moving coil loudspeaker]

pair of instruments
working principle
1


2




                            LAB ACTIVITY
                 Students are  grouped  and given  motor of mixie  
                 and electric motor kit to assemble an electric motor
                 Questions
                 1) Assemble an electric motor by using the kit given?
                 2)Identify the differences between motor of mixie and the
                
                 motor you have   assembled
                SSLC 2012 PHYSICS ANSWERS (Malayalam)
          


         VIDEO   
                ELECTRIC MOTOR           mukulam---SSLC/+2 QUESTIONS




           physics/chemistry important points